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    • 1. 发明授权
    • Signal selector for automatic exposure apparatus of camera
    • 相机自动曝光装置的信号选择器
    • US4564281A
    • 1986-01-14
    • US671024
    • 1984-11-14
    • Mikio TakemaeSakuji WatanabeYuji Okubo
    • Mikio TakemaeSakuji WatanabeYuji Okubo
    • G03B7/087G03B7/081G03B17/18H03K5/22
    • G03B7/087
    • A camera includes an exposing device for exposing a photosensitive member with light from an object through an aperture, a detecting device for detecting an object brightness, a controlling device for controlling the exposing device and the aperture so as to obtain a proper exposure of the photosensitive member, a first signal producing device for producing a first signal, a second signal producing device for producing a second signal, a third signal producing device for producing a third signal, and a signal selecting device for selecting one of the first, second and third signals. The controlling device sets an aperture diameter and an exposure time to have a first, second or third relation in accordance with the first, second or third signal when the signal selecting device selects the first, second or third signal, in the order named.
    • 照相机包括曝光装置,用于通过光圈使来自物体的光曝光感光构件,用于检测物体亮度的检测装置,用于控制曝光装置和光圈的控制装置,以便获得感光体的适当曝光 用于产生第一信号的第一信号产生装置,用于产生第二信号的第二信号产生装置,用于产生第三信号的第三信号产生装置,以及用于选择第一,第二和第三信号中的一个的信号选择装置, 信号。 当信号选择装置按照命名的顺序选择第一信号,第二信号或第三信号时,控制装置根据第一,第二或第三信号,设定开口直径和曝光时间以具有第一,第二或第三信号。
    • 4. 发明授权
    • Automatic exposure control camera having a low brightness warning device
    • 具有低亮度警告装置的自动曝光控制摄像机
    • US4509847A
    • 1985-04-09
    • US491303
    • 1983-05-03
    • Osamu MaidaMikio TakemaeYuji Okubo
    • Osamu MaidaMikio TakemaeYuji Okubo
    • G03G15/20G03B7/081G03B7/087G03B17/18
    • G03B7/083
    • A camera in which light-sensing means is exposed to the light from an object to be photographed passed through stop means includes means for setting the aperture value of the stop means, means for driving the stop means in a direction in which the aperture value of the stop means is coincident with the aperture value by the setting means, prior to the exposure of the light-sensing means, metering means including a light-receiving element adapted to receive the light from the object passed through the stop means and produce an output corresponding to the intensity of the received light, the metering means producing a metering output corresponding to the brightness of the object on the basis of the output of the light-receiving element, means for controlling the exposure time of the light-sensing means in order that the light-sensing means may obtain a proper exposure, on the basis of the metering output after the stop means has been driven by the driving means, and discriminating means for discriminating, prior to the driving of the stop means, that the intensity of the light received by the light-receiving element after the termination of the driving of the stop means is lower than a predetermined value, on the basis of the metering output before the stop means is driven by the driving means, and putting out a discrimination signal.
    • 其中光检测装置暴露于待拍摄对象的光通过停止装置的照相机包括用于设定停止装置的光圈值的装置,用于沿光圈值的方向驱动停止装置的装置, 停止装置与设置装置的孔径值一致,在曝光光检测装置之前,计量装置包括适于接收来自通过停止装置的物体的光的光接收元件,并产生输出 对应于所接收的光的强度,所述计量装置根据所述光接收元件的输出产生对应于所述物体的亮度的计量输出,用于依次控制所述光感测装置的曝光时间的装置 光敏装置可以在停止装置被驱动装置驱动之后的计量输出的基础上获得适当的曝光,以及鉴别装置 用于在停止装置的驱动之前鉴别在停止装置的驱动终止之后由光接收元件接收的光的强度低于预定值,基于之前的计量输出 停止装置由驱动装置驱动,并且放出鉴别信号。
    • 7. 发明授权
    • Film rewinder
    • 电影倒带
    • US4707095A
    • 1987-11-17
    • US846944
    • 1986-04-01
    • Yoshiyuki NakanoMikio Takemae
    • Yoshiyuki NakanoMikio Takemae
    • C04B28/02C04B20/00C04B24/24G03B17/42G03B1/00
    • G03B17/425
    • A film rewinder for a camera comprising a motor and rewinding means driven by the motor and adapted to rewind a used film into a film cartridge, comprises first sensing means disposed at a specific position in the path of the film moved to the film cartridge when the film is being rewound and effective to generate an output signal when the leader portion of the film has passed the specific position; second sensing means effective to generate an output signal when the leader portion of the film is further rewound to the film cartridge beyond the specific position; means for selecting one of first and second conditions; and control means. The control means is used for de-energizing the motor when the first condition is selected by the selecting means and if the control means receives the output signal from the first sensing means and for de-energizing the motor when the second condition is selected by the selecting means and if the control means receives the output signal from the second sensing means.
    • 一种用于照相机的胶片倒片机,包括电动机和由电动机驱动并适用于将用过的胶片倒带到暗盒中的倒带装置,包括设置在移动到暗盒的胶片的路径中的特定位置处的第一感测装置, 当胶片的引导部分已经通过特定位置时,胶卷被重绕并有效地产生输出信号; 当胶片的引导部分进一步被重新卷绕到暗盒超过特定位置时,有效地产生输出信号的第二传感装置; 用于选择第一和第二条件之一的装置; 和控制装置。 当选择装置选择第一条件时,控制装置用于使电动机断电,并且如果控制装置接收到来自第一感测装置的输出信号,并且当第二条件被选择时由电动机断电 选择装置,并且如果控制装置从第二感测装置接收输出信号。
    • 9. 发明授权
    • Focus detecting apparatus
    • 对焦检测装置
    • US4284335A
    • 1981-08-18
    • US16164
    • 1979-02-23
    • Mikio TakemaeHiroaki Tanaka
    • Mikio TakemaeHiroaki Tanaka
    • G03B13/36G01C3/32G02B7/28G02B7/36G03B3/00G03B3/10
    • G02B7/36G01C3/32
    • An apparatus for measuring the distance between an extremum or object and the apparatus comprises a scanning system for scanning the entire distance range to be measured, the scanning system detecting objects at different distances from the apparatus within the range and producing in a time series an output which assumes an extremal value upon the detection, apparatus for producing a distance signal representing the scanned distance in a time series, a distance selecting device extraneously operable to select a desired distance range within the entire distance range to be measured, extremal value detecting apparatus for detecting the extremal value of the output of the scanning system corresponding to the selected distance range by the output of the distance selecting device, and apparatus for providing an output representing the distance between an object within the selected distance range and the apparatus from the output of the extremal value detecting apparatus and the distance signal.
    • 用于测量极值或物体与设备之间的距离的装置包括扫描系统,用于扫描待测量的整个距离范围,扫描系统检测与该范围内的设备不同距离的物体,并以时间序列产生输出 其在检测时呈现极值,用于产生表示时间序列中的扫描距离的距离信号的装置,可外部地操作以在待测量的整个距离范围内选择期望距离范围的距离选择装置,用于 通过所述距离选择装置的输出来检测对应于所选择的距离范围的扫描系统的输出的极值,以及用于提供表示所选择的距离范围内的对象与所述装置之间的距离的输出的装置, 极值检测装置和距离信号 纳尔